Agha Jari Fm
Period:
Neogene
Age Interval:
Langhian – Serravallian, Ir3
Province:
Iran
Type Locality and Naming
Column: Iran East
Synonym:
Lithology and Thickness
Alternating sandstone with Evaporite. It consists of 9730 feet of feature-forming, brown to gray, calcareous sandstone and low-weathering, gypsum-veined, red marl, and, siltstone. Chert is one of the most common sandstone constituents. Local developments of thin, discontinuous, gypsum beds are common. The Lahbari member consists of 5170 feet of low-lying, gypsum-veined, buff-colored siltstone, silty marl, and, subordinate sandstone and gypsum beds.
Lithology Pattern:
Sandstone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates the next older unit as Mishan-Guri Fm
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Bakhtiari Fm
Regional extent
GeoJSON
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Fossils
Age
Langhian – Serravallian
Age Span:
Beginning stage:
Burdigalian
Fraction up in beginning stage:
0.95
Beginning date (Ma):
16.21
Ending stage:
Serravallian
Fraction up in the ending stage:
1.0
Ending date (Ma):
11.63
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Middle East Geological Timescale 2008 Al-Husseini, Journal of Middle East Petroleum Geosciences v 13, no. 4. James at. al., 1965, page 2238-2240